A frequency-response-optimized Shack–Hartmann zonal wavefront reconstructor based on Fan’s model

This paper introduces an optimized method for zonal wavefront reconstruction utilizing Fan’s model, specifically tailored to enhance the frequency response. Analysis of the system frequency response demonstrates a 27% increase in bandwidth compared to the Southwell model. Examination of reconstructi...

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Bibliographic Details
Published in:Review of scientific instruments 2024-05, Vol.95 (5)
Main Authors: Fan, Yao, Duan, Yaxuan, Da, Zhengshang, Yue, Yang
Format: Article
Language:English
Subjects:
Frequency response
Wave front reconstruction
Wave fronts
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Summary:This paper introduces an optimized method for zonal wavefront reconstruction utilizing Fan’s model, specifically tailored to enhance the frequency response. Analysis of the system frequency response demonstrates a 27% increase in bandwidth compared to the Southwell model. Examination of reconstruction errors at various frequency points reveals consistently smaller values when compared to the Southwell model. Validation through numerical simulations and real experiments underscores the superior performance of the proposed reconstructor, particularly noticeable at higher response levels within the mid- and high-frequency domains.
ISSN:0034-6748
1089-7623
DOI:10.1063/5.0197071